To novo: in 4E skills and stats were both on the base 6, 7 is exceptional model with 3 being average. Here is what they had to say (4E Core, pg119)
Rating 7 Legendary
The “best of the best.” Someone whose expertise outranks all others in all of
known history. Can only be achieved with the Aptitude Quality (p. 90).
Athletics Example: Wayne Gretzky, Michael Jordan, Joe Montana, Pele, Babe Ruth.
Firearms Example: “Wild Bill” Hickock, James Bond, Thunder Tyee.
Technical Example: Thomas Edison, Nicholai Tesla, FastJack.
Social Example: Bill Clinton, Ronald Reagan, Damien Knight.
Vehicle Example: The Red Baron, Evil Knievel.
Knowledge Skill Example (Academic): Stephen Hawking, Albert Einstein.
Knowledge Skill Example (Street): Wolfgang Kies, Dr. Raven, Captain Chaos.